<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/style.css">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <link rel="stylesheet" href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css">
    <style>
        .list{
            background-color: #00aaee;
            color: white;
            margin-bottom: 30px;
            height: 100px;
            text-align: center;
        }

    </style>
</head>
<body>
    <div class="container">
        <div class="row">
           <div class="col-md-4">
               <div class="list">内容</div>
           </div>
           <div class="col-md-4">
               <div class="row">
                   <div class="col-6">
                       <div class="list">
                           内容
                       </div>
                   </div>
                   <div class="col-6">
                       <div class="list">
                           内容
                       </div>
                   </div>
                   <div class="col-6">
                       <div class="list">
                           内容
                       </div>
                   </div>
                   <div class="col-6">
                       <div class="list">
                           内容
                       </div>
                   </div>
               </div>
           </div>
           <div class="col-md-4">
               <div class="list">
                   内容
               </div>
           </div>
        </div>
    </div>
</body>
</html>